1,1,1-Trichloroethane
Pennsylvania American Norristown
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
10
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-03 | 39060301 | ND |
| 2019-04-16 | 43646101 | ND |
| 2019-10-22 | 47450201 | ND |
| 2019-11-18 | 47355101 | ND |
| 2020-02-10 | 21668814.00 | ND |
| 2020-05-12 | 22216892.00 | ND |
| 2020-08-11 | 22800783.00 | ND |
| 2021-05-05 | 24440291.00 | ND |
| 2022-05-02 | 26650186.00 | ND |
| 2023-05-08 | 28901924.00 | ND |